An Efficient Stochastic Algorithm for Decentralized Nonconvex-Strongly-Concave Minimax Optimization
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Abstract (arXiv)
This paper studies the stochastic nonconvex-strongly-concave minimax optimization over a multi-agent network. We propose an efficient algorithm, called Decentralized Recursive gradient descEnt Ascent Method (DREAM), which achieves the best-known theoretical guarantee for finding the ε-stationary points. Concretely, it requires O(min (kappa3ε-3,kappa2 √N ε-2 )) stochastic first-order oracle (SFO) calls and tildeO(kappa2 ε-2) communication rounds, where kappa is the condition number and N is the total number of individual functions. Our numerical experiments also validate the superiority of DREAM over previous methods.
Key facts. Cited by 6 papers in the map (data through 7 Oct 2026). Builds on 50 of its 83 references that are in the map. First posted on arXiv 5 Dec 2022.
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Citing papers per year: 2023: 1; 2024: 3; 2025: 2.
6 papers.
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- 2024Fast Decentralized Gradient Tracking for Federated Minimax Optimization with Local Updatescited by 0
- 2025Enhancing Privacy in Decentralized Min-Max Optimization: A Differentially Private Approachcited by 0
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- 2025DICE: Data Influence Cascade in Decentralized Learning9 Jul 2025
- 2024Achieving Near-Optimal Convergence for Distributed Minimax Optimization with Adaptive Stepsizes5 Jun 2024
- 2024Fast Decentralized Gradient Tracking for Federated Minimax Optimization with Local Updates7 May 2024
- 2024Robust Decentralized Learning with Local Updates and Gradient Tracking2 May 2024
- 2023Variance-reduced accelerated methods for decentralized stochastic double-regularized nonconvex strongly-concave minimax problems14 Jul 2023